myjxtaview.java

myjxta是用jxta开发的一个p2p通讯软件 有聊天 文件共享 视频3大功能 界面采用swing

                }
            }
        });

        m_navigationPane.add(STRINGS.getString("label.network.jxta"), p);


        JPanel hp = new JPanel();
        GridBagLayout hpgb = new GridBagLayout();
        GridBagConstraints hpgbc = new GridBagConstraints();

        hp.setLayout(hpgb);
        hp.setBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED));

        hpgbc.gridx = 0;
        hpgbc.gridy = 0;
        hpgbc.gridwidth = GridBagConstraints.REMAINDER;
//        hpgbc.insets = new Insets(3, 3, 3, 3);
        hpgbc.anchor = GridBagConstraints.NORTHWEST;
        hpgbc.weightx = 1.0;
        hpgbc.weighty = 1.0;
        hpgbc.fill = GridBagConstraints.BOTH;

        hpgb.setConstraints(m_navigationPane, hpgbc);
        hp.add(m_navigationPane);


        return hp;
    }

    private JXTreeTable buildTree() {
        this.treeModel = new JxtaTreeModel();

        JXTreeTable tt = new JXTreeTable(this.treeModel);

        tt.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
        tt.setRootVisible(false);
        tt.setShowsRootHandles(false);
        tt.setExpandsSelectedPaths(true);
        tt.setScrollsOnExpand(true);

        //extracted the renderer in an inner class
        tt.setTreeCellRenderer(new MyDefaultTreeCellRenderer());

        Resources res = Resources.getInstance();
        ImageIcon icon = res.getIconResource("TreeTable.PeerPresent");

        if (icon != null) {
            Integer ip = res.getIntResource("TreeTable.padding");

            tt.setRowHeight(icon.getIconHeight() +
                    (ip != null ? ip.intValue() : 0) + 3);
        }

        // register listener (internal class PopupListener) - coconatty
        tt.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent me) {
                process(me);
            }

            public void mouseReleased(MouseEvent me) {
                process(me);
            }

            /**
             * Invoked when the mouse has been clicked on a component.
             */
            public void mouseClicked(MouseEvent e) {
                super.mouseClicked(e);
                if ((e.getSource() == getTreeTable())) {
                    JXTreeTable tt = getTreeTable();
                    TreePath path = tt.getPathForLocation(e.getX(),
                            e.getY());
                    if (path == null) {
                        return;
                    }

                    Object lastPath = path.getLastPathComponent();
                    if (lastPath instanceof GroupNode) {
                        Group group = ((GroupNode) lastPath).getGroup();
                        if (e.getClickCount() >= 2) {
                            if (group.isJoined()) {
                                //resign group not implemented yet
                            } else {
                                new GroupJoinAction("", MyJXTAView.this).actionPerformed(new ActionEvent(this, 0, null));
                            }
                        }
                    } else if (lastPath instanceof PeerNode) {
                        PeerNode node = (PeerNode) lastPath;

                        if (e.getClickCount() >= 2) {
                            getControl().getPluginContainer().triggerGlobalMyJxtaPopup(new ISelectableNode[]{node}, e, getTreeTable());//, p_e, p_component)
                            //new PeerChatAction("", MyJXTAView.this).actionPerformed(new ActionEvent(this, 0, null));
                        }
                    } else if (lastPath instanceof ShareNode) {
                        if (e.getClickCount() >= 2) {
                            new ShareViewAction("", MyJXTAView.this).actionPerformed(new ActionEvent(this, 0, null));
                        }
                    }

                }
            }

            private void process(MouseEvent me) {
                JXTreeTable tt = getTreeTable();
                TreePath path = tt.getPathForLocation(me.getX(),
                        me.getY());

                if (me.isPopupTrigger() &&
                        me.getSource() == getTreeTable()) {

                    tt.getTreeSelectionModel().setSelectionPath(path);

                    displayTreePopup(tt, me.getX(), me.getY());
                }
            }
        });
        tt.setDragEnabled(true);
        tt.setTransferHandler(new MyTableTransferHandler());

        tt.setDropTarget(new DropTarget(tt, new MyDropTargetListener()));


        return tt;
    }

    public JXTreeTable getTreeTable() {
        return this.tree;
    }

    //called by mouselistener to popup menu over tree
    //this could go in the listener methods, but kept separate at moment
    //in case we need to bring popup menu over other components than te JTree
    //this method can hopefully be used by both the PopupMenu and the MenuBar menus

    private void displayTreePopup(Component component, int x, int y) {
        // try to select tree nodes using right click as well
        // this doesn't work if right clicked on the node image... only on the text
        setActionMenuContext();

        this.popup.show(component, x, y);
    }

    /**
     * Set the contextual menu for the popup dependening on the selected node
     *
     * @modified 2005-03-30 jamoore enable voice only if system property is set
     * @modified 2005-04-06 jamoore enable voice menu permanently
     * @modified 2005-04-24 jamoore add and enable video menu
     * @modified 2005-05-01 jamoore enable video only if system property is set
     */
    public void setActionMenuContext() {

        //todo: sorry, but this one is a nightmare (nano)
        JMenu peer = (JMenu) this.popup.getComponent(0);
        JMenu group = (JMenu) this.popup.getComponent(1);
        JMenu share = (JMenu) this.popup.getComponent(2);
        JMenuItem export = (JMenuItem) this.popup.getComponent(4);
        JxtaNode jn = getJxtaNode(JxtaNode.class);
        GroupNode gn = (GroupNode) getJxtaNode(GroupNode.class);
        PeerNode pn = (PeerNode) getJxtaNode(PeerNode.class);
        Group g = gn != null ? gn.getGroup() : null;
        // xxx: might be nice to pull this in from an object (peer)
        PeerGroup group1 = g.getPeerGroup();
        PipeAdvertisement pa = g != null &&
                group1 != null ?
                PipeUtil.getAdv(group1,
                        Dialog.getDialogNamer(OneToOneCommandDialog.class).
                                getDialogName(group1.getPeerName()),
                        PipeService.UnicastSecureType, null) : null;
        boolean isMe = pn != null &&
                pa != null &&
                pa.getPipeID().equals(pn.getPeer().getPipeAdvertisement().getID());
        boolean isJoined = g != null && g.isJoined();
        Group pg = g != null ? g.getParentGroup() : null;
        boolean isParentJoined = pg == null || pg.isJoined();
        ShareNode sn = (ShareNode) getJxtaNode(ShareNode.class);

        /** End temp section */

        peer.setEnabled((isJoined || isParentJoined));
        group.setEnabled(gn != null);
        share.setEnabled(isJoined || isParentJoined);
        export.setEnabled(pn != null ||
                jn instanceof GroupNode);

        //todo: we should enable/disable the actions inside their own isEnabled action.... let em decide if they are
        //able to do something with the selection...
        peer.getItem(0).setEnabled(isJoined || isParentJoined); // search
        peer.getItem(1).setEnabled(pn != null && !isMe); // chat
        peer.getItem(2).setEnabled(pn != null);
        peer.getItem(3).setEnabled(pn != null);
        peer.getItem(4).setEnabled(false); // add to friends
        peer.getItem(5).setEnabled(false); // remove from friends

        group.getItem(0).setEnabled(isJoined || isParentJoined); // search
        group.getItem(1).setEnabled(false); // chat
        group.getItem(2).setEnabled(isJoined); // create

        JMenuItem createGroupItem = group.getItem(2);

        createGroupItem.setEnabled(createGroupItem.getAction().isEnabled()); // leave


        group.getItem(3).setEnabled(!isJoined); // join

        JMenuItem leaveGroupItem = group.getItem(4);

        leaveGroupItem.setEnabled(leaveGroupItem.getAction().isEnabled()); // leave
        group.getItem(5).setEnabled(true); // manage

        share.getItem(0).setEnabled(isJoined || isParentJoined); // search
        share.getItem(1).setEnabled(getControl().getPluginContainer().getPlugin(IShareManagerProvider.class) != null); // add
        share.getItem(2).setEnabled(sn != null); // view
        share.getItem(3).setEnabled(sn != null); // remove
        share.getItem(4).setEnabled(sn != null); // save
// todo: re-enable as a plugin
//        share.getItem(5).setEnabled(sn != null &&
//            sn.toString().endsWith((UIConstants.NETBEAMS))); // beam
    }

    public Group getGroup() {
        GroupNode gn = (GroupNode) getJxtaNode(GroupNode.class);

        return gn != null ? gn.getGroup() : null;
    }

    public void setStatus(final String status) {
        // Write status info to the log regardless of the actual logger level
        LOG.log(Logging.STATUS_LEVEL, status);

        EventQueue.invokeLater(new Runnable() {

            public void run() {
                getStatus().insertElementAt(status, 0);
                getStatus().setSelectedItem(status);


                int i;

                while ((i = getStatus().getSize()) > STATUS_MAX) {
                    getStatus().removeElementAt(i - 1);
                }
            }
        });
    }

    private JPanel buildPlugins() {
        JPanel p = new JPanel();
        GridBagLayout gb = new GridBagLayout();
        GridBagConstraints gbc = new GridBagConstraints();

        p.setLayout(gb);
        p.setBorder(BorderFactory.createEtchedBorder(EtchedBorder.LOWERED));

        this.plugins = new ClosableTabbedPane(JTabbedPane.TOP,
                JTabbedPane.SCROLL_TAB_LAYOUT);

        this.plugins.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent ce) {
                Object s = ce.getSource();

                if (s instanceof JTabbedPane) {
                    JTabbedPane tp = (JTabbedPane) s;
                    Resources res = Resources.getInstance();
                    int i = tp.getSelectedIndex();

                    if (i > -1) {
                        tp.setForegroundAt(i,
                                res.getColorResource("TabPane.Selected"));
                    }
                }
            }
        });

        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.gridwidth = GridBagConstraints.REMAINDER;
//        gbc.insets = new Insets(3, 3, 3, 3);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.weightx = 1.0;
        gbc.weighty = 1.0;
        gbc.fill = GridBagConstraints.BOTH;

        gb.setConstraints(this.plugins, gbc);
        p.add(this.plugins);

        //this is very primitive
        //but it ensures that the group chat of the current group navigation is visible
        final JTabbedPane plugins = getPlugins();
        if (plugins != null) {
            m_navigationPane.addChangeListener(new SyncronizeTabPaneListener(plugins));
            plugins.addChangeListener(new SyncronizeTabPaneListener(m_navigationPane));
        }
        return p;
    }

    private JPanel buildFooter() {
        JPanel fp = new JPanel();
        JPanel infoPanel = new JPanel();

        fp.setLayout(new BoxLayout(fp, BoxLayout.X_AXIS));
        fp.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

        this.status = new DefaultComboBoxModel();
        JComboBox sb = new JComboBox();
//        sb.setFont(sb.getFont().deriveFont(8));

        sb.setMaximumRowCount(STATUS_MAX);

        JPanel emptyPanel = new JPanel(); //not used rightn now, only to use the space
        emptyPanel.add(new Box.Filler(new Dimension(0, 0), new Dimension(800, 1), new Dimension(Short.MAX_VALUE, Short.MAX_VALUE)));
        infoPanel.add(Box.createHorizontalGlue());
//        infoPanel.add(new Box.Filler(new Dimension(0,0),new Dimension(200,1),new Dimension(1000,1000)));

        JLabel l = new JLabel(STRINGS.getString("label.badge.jxta"), JLabel.TRAILING);
        l.setFont(l.getFont().deriveFont(8));
        l.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
        l.addMouseListener(new MouseAdapter() {

            public void mouseReleased(MouseEvent me) {
                String u = STRINGS.getString("uri.jxta");

                try {
                    ExecFactory.getExec().execDocument(new URL(u));
                }
                catch (MalformedURLException mue) {
                    if (net.jxta.logging.Logging.SHOW_INFO && LOG.isLoggable(Level.INFO)) {
                        LOG.info("bad url: " + u);
                    }
                }
            }
        });


        infoPanel.add(l);
        infoPanel.add(Box.createRigidArea(new Dimension(7, 0)));

        ImageIcon i = Resources.getInstance().getIconResource("badge.sun");
        double propScale = i.getIconWidth() / (double) i.getIconHeight();

        int maxHeight = 19;
        i = new ImageIcon(i.getImage().getScaledInstance((int) (maxHeight * propScale), maxHeight, Image.SCALE_SMOOTH));


        l = new JLabel(i);

        l.addMouseListener(new MouseAdapter() {

            public void mouseReleased(MouseEvent me) {
                String u = STRINGS.getString("uri.sun");

                try {
                    ExecFactory.getExec().execDocument(new URL(u));
                }
                catch (MalformedURLException mue) {
                    if (net.jxta.logging.Logging.SHOW_INFO && LOG.isLoggable(Level.INFO)) {
                        LOG.info("bad url: " + u);
                    }
                }
            }
        });
        l.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
        infoPanel.add(l);

        fp.add(emptyPanel);
        infoPanel.setMinimumSize(new Dimension(280, 20));
        infoPanel.setBorder(new EmptyBorder(-5, 0, -5, 0));
        fp.add(infoPanel);
        fp.setName("FOOTER");